The Complaint, The Problem, The Solution - IBM Selectric Typewriter Service Calls

THE |
COMPLAINT, PROBLEM, SOLUTION

IBM SELECTRIC TYPEWRITER
Service Calls

by Tom Woodworth

Copyright © 1986

Fatrlight Industries

Hutchinson, Kansas

zapjes of this manual may be ordered from.

FAIRLIGHT INDUSTRIES
234 West 4th
P.O. Box 2487
Hutchinson, KS 67504-2487

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INDEX
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CARRIER RETURN acsssocessws wa we nave ewe 68 oa wae ew ae, BF eR Oe: 8k 6 a asta ele Oey 8
CORRECTION ccowsnceds ese cone et nel G ROOk ew eer DEMew eee ee ONAN TECHS TSAO OE RAS HOS 14
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MARKS, SMUDGES, SMEARS cs ascacseesatennwwwn cannons cae 605d Mansa cud eestor 28
MISPLACEMENT OF CHARACTERS; SELECTION OF WRONG CHARACTERS ...... 32
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HOW TO USE THIS BOOK

The INDEX is located at the very front for easy access. Simply open the
cover and you can immediately find the page to refer to by indentifying the
problem area of the machine. The sections are also arranged in alphabetical
order in the book.

Since many areas of the machine affect each other, and problems are described
in many different ways by operators, some problems were entered in more than
one section. For instance, a malfunctioning shift might be described as a
SHIFT problem, or might cause SELECTION OF WRONG CHARACTERS, or cause
a locking KEYBOARD. (Three different sections of the book.)

Once the problem area has been defined, turn to that section and look for the
specific complaint. Since operators tend to describe the problem in their own
words, the COMPLAINT has been described as nearly as possible the way the
operator told the service technician what was wrong. As always, it is best to
quiz the operator and ask if there are any samples of the problem. Also ask
if the machine can be made to duplicate the problem. Following the COMPLAINT
is the PROBLEM section, which gives a description of what the actual problem
was, or what area of the machine was actually malfunctioning. Following that
is the SOLUTION, which describes what was done to correct the problem. If a
part or specific area or adjustment is referred to, it will be identified by the
number used in the "SELECTRIC" TYPEWRITER ADJUSTMENT PARTS MANUAL.

The problems are listed more or less in order of most common occurrence, so it
is best to start at the top of the list and work down. Bear in mind this does
not include all possible problems. Also, generally not included are calls due
to obviously broken or loose parts. Some of the harder to identify ones will
be included. If you are still unable to locate or resolve the problem, try
checking a different section that might be related to the one(s) you have been
looking at. If you cannot find a description in the COMPLAINT sections,
check in the PROBLEM sections to see if anything there sounds familiar or
logical. If this still fails to identify the problem for you, don't give up. All
things are possible, and anything can go haywire on machines. Just apply all
your powers of observation and you'll amaze yourself at what you can figure
out on your own.

The names of two aerosol chemicals are used quite frequently throughout this
book. One is Channel Master, a silicone base lubricant which also serves as
an excellent cleaner and solvent for gummed up parts. The other is Tun-O-Wash,
a non-residue degreasing spray which does a good job of flushing oil off
parts. Either one of these may be obtained at most electronic supply stores,
or equivalent substitutes may be used.

INTRODUCTION

The purpose of this manual is to provide a quick reference for service problems
encountered on IBM Selectric typewriters and the solutions for those problems.
It is simply a collection of hundreds of service calls organized in categories
according to the area in the typewriter malfunctioning and the type of complaint.

Since this manual was written with simplicity and speed in mind there are
several things it is not.

It is not a Selectric Typewriter Training Course.
It is not a complete Service Manual.

It is not an "all-inclusive" Troubleshooting Manual.

Some of the reading in this Manual may seem silly & redundant, namely the
"Complaint" sections. Please bear in mind these are very nearly direct quotes
from the Operators and as you will or have already discovered, Operator's
descriptions of typewriter malfunctions .can sometimes be humorous, not to
mention deceptive to the technician. Also a wide variety of complaints may be
generated by the same malfunction on the typewriter, which is why you may
notice the same adjustment appearing several times in a section.

No attempt has been made in this Manual to cover all problems encountered
when servicing the Selectric Typewriter. It is simply a guide to aid the
relatively inexperienced or new Service Technician to pin-pointing some of the
most common problems encountered.

Since this is not a Training Manual, it is assumed the Technician has some
knowledge in making adjustments on the Selectric Typewriter. Most important
of these are the rotate and tilt homing procedures. Also, each Technician
should have or acquire a copy of the following IBM Publications.

"Selectric" Typewriter Adjustment Parts Manual Form 8241-5939
"Selectric " Typewriter Part Number Manual Form 8241-5103
"Selectric" Typewriter Service Manual Form 241-5615-2
"Selectric III" Service Manual Supplement Form 8241-6176-0

The most important of these is the "Selectric" Typewriter Adjustment Parts
Manual. These publications may be ordered by calling IBM Direct and asking
for the Education Department. At the time of this printing this number for
IBM Direct is: 1 800-426-2468.

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BACKSPACE (Page 1 of 2)

Complaint: "Backspace fails."
Problem: Print shaft gummy. (02-30)
Solution: Clean print shaft with Channel Master.

Complaint: "Stays in same spot when backspacing." (Non-rotary backspace)
Problem: Print shaft dry & gummy (02-30); backspace out of adjustment.

Solution: Clean & lubricate print shaft with Channel Master, adjust backspace
latch height (179), backspace rack (181), & motion (182).

Complaint: "Doesn't backspace when near left margin."
Problem: Not enough backspace motion. (Rotary Backspace)
Solution : Adjust backspace motion. (189)

Complaint: "Gets stuck when backspacing or using correction key to backspace."
(Rotary backspace)

Problem: Not enough backspace motion to move carrier back a full space.

Solution: Adjust rotary backspace motion. (189)

Complaint: "Doesn't backspace sometimes." (Rotary backspace)

Problem: Backspace ratchet (24-6) & driver (24-32) have worn spots. (makes
a noise when fails usually.)

Solution: Replace backspace ratchet & driver. (24-6, 24-32)

Complaint: "Backspace keeps repeating."
Probiem: Operational interposer restoring bail lug broken. (25-216)

Solution: Replace restoring bail & adjust. (150)

Complaint: "Backspace repeats."

Problem: Operational cam release arm (25-205) doesn't have enough overlap
on latching surface.

Solution: Form release arm for better overlap. (147)
Complaint: "Backspace keeps going, or repeats when against left margin."

Problem: Not enough operational interposer restoring bail motion. (25-216)
Solution: Adjust operational interposer restoring bail motion. (150)

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BACKSPACE (Page 2 of 2)

"Backspaces more than one space." (Dual pitch with rotary backspace)
(Cam makes only one revolution).

Switch pitch cam cable broken. (24-37)
Replace cable and adjust. (187) (188)

"Indexes when backspacing." (Rotary backspace)
Index interlock paddle out of adjustment. (24-20)
Adjust index interlock paddle. (193)

"Won't return or backspace; keyboard locked."

Torque limiter extension spring off & clamp loose. (25-10) (25-5)
(Always check clamp when spring is off or broken.)

Replace torque limiter extension spring & tighten clamp.

"Backspace repeats."
Foreign object stuck under operational cam release arm. (25-205)

Remove object from release arm.

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CARRIER MOVEMENT (FORWARD) (Page 1 of 2)

"Carrier stuck at left."

Dual impression cable guide wire broken (2-217) - Dual impression
cable hooked on left transport pulley.

Unhook cable from pulley, replace guide wire. (2-217)

"Carrier moves slowly"
Print shaft dry & gummy. (02-30)
Clean & lubricate print shaft with Channel Master.

"Sticks at tabs & locks carriage."
Tab stop pushed up past normal clear position, locking carrier.

Reposition tab stop.

"Won't move."
Torque limiter extension spring broken. (25-10)
Replace spring. Tighten loose clamp. (25-5)

"Carrier stuck at left side." (extreme left)
Carrier stuck on warped dust shield. (04-36)
Replace left hand shield.

"Stuck at left."
Carrier stuck on warped dust shield. (04-36).
Replace left dust shield.

"Carrier doesn't move sometimes."
Dust shields (04-36) warped & dragging on carrier.

Replace shields.

"Carrier stuck, won't move."

Carrier return transport cable (03-360) stuck under transport pulley.

(03-366)
Loosen pulley, reposition cable on pulley & tighten.

"Doesn't move across."

Not enough carrier return pinion (25-14) end play with torque limiter

arbor. (25-11)
Adjust carrier return pinion end play. (139)

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CARRIER MOVEMENT (FORWARD) (Page 2 of 2)

Complaint: "Sometimes doesn't space over." (letters type on top of each other)
Problem: Escapement trip link and trigger knockoff out of adjustment. (06-10)
Solution: Adjust escapement trip link & trigger knockoff. (124, 125)

Complaint: "Gets stuck in middle."

Problem: Dual impression cable holder (21-429) not pushed down on frame
completely, causing carrier to drag against it.

Solution : Push cable holder down against frame.

Complaint: "Stays in one spot after correcting."

Problem: Correction mode actuating belicrank not latching up after correction.
(26-80)

Solution: Adjust escapement trip link; not enough motion to reset bellcrank.
(124)

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CARRIER RETURN (Page 1 of 5)

"Shaky return."
Oil on carrier return spring (25-13), & out of adjustment.

Flush carrier return clutch spring & pinion with Tun-O-Wash or IBM
cleaning fluid; adjust latch overthrow (170), shoe overlap (171), &
shoe clearance (172).

"Carrier return jerks."
Oil on carrier return clutch and pinion. (25-13, 25-14)

Flush carrier return clutch, shoe and spring with Tun-O-Wash or
other non-residue cleaner.

"Poor return & express (shaky)"
Oil on carrier return clutch & pinion. (25-13, 25-14)

Flush carrier return clutch & pinion with Tun-O-Wash or IBM Cleaning
Fluid.

"Carrier shakes when returning."

Carrier return clutch & pinion worn & weak. (25-13, 25-14) (call
back - was flushed before)

Replace carrier return clutch & pinion.

"Doesn't return all the way; just jumps."
Not enough carrier return latch overthrow motion. (03-580)

Adjust carrier return latch overthrow. (170)

"Doesn't always return."

Operational shaft support (25-56) not touching shaft & not enough
Carrier return latch (03-580) overthrow motion.

Adjust operational shaft support (135) & carrier return latch overthrow.

(170)

"No. return."

Torque limiter extension spring (25-10) off & clamp (25-5) loose.
(Always check clamp when spring is off or broken.)

Replace spring & tighten clamp.

"Won't return, backspace; keyboard locked."

Torque limiter extension spring (25-10) off & clamp (25-5) loose.
(Always check clamp when spring is off or broken.)

Replace spring & tighten clamp.

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CARRIER RETURN (Page 2 of 5)

"Return doesn't work."
Torque limiter extension spring broken (25-10) and clamp loose. (25-5)

Replace extension spring and tighten clamp.

"Hit the return and it locks up."
Torque limiter extension spring (25-10) off and clamp (25-5) loose.
Replace extension spring, tighten clamp, and adjust. (177)

"Stuck at right margin so won't return."
Torque limiter extension spring broken. (25-10)

Replace spring & adjust. (177) (Make sure clamp is tight. (25-5))

"Won't move."
Torque limiter extension spring broken. (25-10)

Replace spring. Tighten loose clamp. (25-5)

"When return it just indexes."
Torque limiter extension spring broken. (25-10)
Tighten clamp (25-5), replace spring & adjust. (177)

"No return.”
Torque limiter clamp loose. (25-5)
Reinstall torque limiter spring ear (25-9) in clamp & tighten.

"Left margin moves."
Carrier stopping one tooth past margin.
Adjust overbank. (173)

"Catches on return."
Carrier hanging up one tooth left of the margin.
Adjust overbank. (173)

"Left margin doesn't hold."
Carrier stops one tooth left of margin.
Adjust overbank. (173)

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CARRIER RETURN (Page 3 of 5)
"Carrier return repeats".

Gummy operational bracket assembly pivots. (25-300)
Flush clips & pivots & clean with Channel Master.

"When turn on, carrier return just keeps going."
Operational bracket assembly latch pivots gummy. (25-239, 25-302)

Flush & clean pivots with Channel Master.

"Hit return & keeps rolling paper."

Carrier return repeats, operational bracket assembly pivots gummy.

(25-300)

Clean & flush pivots with Channel Master, may need to remove "C"
clips to clean hardened & gummy grease.

"After carrier return, index runs continuously."
Operational interposer restoring bail lug broken. (25-216)
Replace bail.

"Carrier return repeats."
Not enough operational interposer restoring bail motion. (25-216)
Adjust bail restoring motion. (150)

"Jumps when returning."

Carrier return repeats, not enough operational interposer restoring
bail motion. (25-216)

Adjust bail restore lug. (158)

"Index repeats & goes when don't want it to."

Operational cam release arm (25-205) bent to left - not enough bite
on latching surface.

Form release arm for better latching. (147)

"Doesn't linespace right."

Operational bracket assembly pivots gummy (25-300) - causing repeating

carrier return.

Flush & clean pivots with Channel Master.

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CARRIER RETURN (Page 4 of 5)

"Line changes after carrier return & doesn't index far enough."
Index out of adjustment (not enough motion).
Adjust index link (268) & overthrow stop (269).

"Only half spaces." (linespacing)
Index link doesn't have enough motion.
Adjust index link. (268)

"Bar not holding envelopes. Lines aren't same space apart."

Rear feed rollers pushing bottom edge of envelope out, causing to
move } space on its own.

Instruct operator to start envelope addresses slightly past halfway
point, so envelope bottom is past rear feed rollers.

"Return locked up, won't express or return."
Torque limiter spring ear broken at clamp. (25-9)
Replace torque limiter spring.

"Doesn't double space."
Platen bushing gummy (12-22), not enough index motion.

Remove right platen bushing & clean with Channel Master, adjust
index link (268).

"Line moves." (After returning)
Not enough index motion.
Adjust index link. (268)

"Line rolis down." (After returning)
Not enough index motion.
Adjust index link. (268)

"Carrier stuck at left side.” (extreme left)
Carrier stuck on warped dust shield. (04-36)
Replace left hand dust shield.

"Won't double space."
Index arm detent stud loose. (20-461)
Tighten index detent arm stud.

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CARRIER RETURN (Page 5 of 5)

Complaint: "When hit carrier return it only goes back four or five spaces."

Problem: Service history card rubbing unlatching link (03-557), not allowing
to latch up carrier return.

Solution: Install card in left side cover latch (04-212)

Complaint: "When returning, it doesn't line space."
Problem: Index pawl (20-432) jamming & binding against ratchet.
Solution: Adjust index overthrow stop. (269)

Complaint: "Return only goes two inches back."
Problem: Not enough carrier return latch keeper bite. (03-575)
Solution : Adjust carrier return unlatching link for more bite on latch. (175)

Complaint: "Only returns part of the way."
Problem: Gummy carrier return latch keeper. (03-575)
Solution : Flush & lubricate latch keeper with Channel Master.

Complaint: "After returning, first letter doesn't type. Starts with second letter."

Problem: Operator hitting correction key with palm when returning, causing
first letter to be a correction.

Solution: Instruct operator to avoid hitting correction key when returning.

Complaint: "Returns part way."

Probiem: Not enough carrier return latch bite. (03-580) Latch limiting against
tab interlock. (3-575)
Solution: Form interlock arm to allow more bite. (221)

Complaint: "Just indexes when hit return."
Problem: Carrier return keylever restore spring off.
Solution : Reinstall spring.

Complaint: "Hangs up at left."
Problem: Mainspring (18-95) wound too tight, can't wind up anymore.
Solution: Loosen mainspring. (130) BR:

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CORRECTION (Page 1 of 4)

"It only corrects half of letter."
Correction tape installed on wrong side of separator wire. (26-9)
Install correction tape behind separator wire.

"Only corrects bottoms of letter.”
Correction tape installed on wrong side of separator wire. (26-9)

Install correction tape correctly.

"Doesn't always correct."
Correction tape installed on wrong side of separater wire. (26-9)

Install correction tape correctly.
"Correction doesn't work, won't lift off."
Not enough correction torque bar motion to engage lift arm. (26-98)

Adjust correction torque bar link for minimal free play. (346)

"Sometimes it doesn't correct."

Not enough correction torque bar motion to engage lift arm positively.

(26-98) (26-66)
Adjust correction torque bar link for minimal free play. (346)

"Correction tape won't flow through."

Correction torque bar not moving far enough to uniatch correction
feed inhibitor.

Adjust correction torque bar link so it has minimal free play with
torque bar at rest. (349)

"Won't correct."

Not lifting correction tape, due to insufficient correction torque bar
motion. (26-98)

Adjust correcting torque bar link. (346)
"Not correcting."

Non-correctable film ribbon installed.
Install correctable film ribbon.

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CORRECTION (Page 2 of 4)

Complaint: "Doesn't correct."
Problem: Using non-correctable film ribbon,

Solution: Install correctable ribbon.

Complaint: "Doesn't correct good."
Problem: Leaving gray image due to poor quality ribbon.

Solution: Advise operator to use better quality ribbon.

| Complaint: "Sometimes types on same spot after correction (corrects more than
’ once)."
—a Problem: Correction mode actuating bellcrank not latching up. (26-80)

| Solution : Adjust correction mode actuating belicrank. (333)

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| Complaint: "Stays in one spot after correcting."

oy Problem: Correction mode actuating belilcrank not latching up after correction.
(26-80)

a Solution: Adjust escapement trip link; not enough motion to reset bellicrank.

sg (124)

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Complaint: "After correcting, have to type several times before it will print a

i letter."

; Problem: Correction mode actuating bellcrank not latching up after correction.

} a (26-80)

S| Solution : Adjust escapement trip link; not enough motion to reset bellcrank.
(124)

|

Complaint: "Sometimes won't space." (Intermittent)

Problem: Correction mode actuating bellcrank not latching up when space bar
is operated after using correction key. (26-80)

Solution: Adjust correction mode actuating bellicrank. (333)

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Complaint: "Goes slow, almost stops when correcting."

Problem: Cycle clutch spring worn. (23-404) (was lubricated once before and
didn't last.)

Solution: Replace cycle clutch spring and adjust.

Complaint: "After correcting, space bar doesn't work."

Problem: Correction feed assembly oxidized & binding, causing incomplete cycle
clutch cycle, therefore spacebar interrupter not released.

Solution: Clean & lubricate correction feed assembly.

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CORRECTION (Page 3 of 4)

"Doesn't line up to correct when rolling back."
Platen worn & allowing paper to slip.

Replace platen.

"Doesn't always correct."
Has plastic torque bar & carrier support; flexes excessively & fails.
Replace with metal torque bar & carrier support. (Part #1290607)

"No correction feed - tape sticks."

Correction tape feed pawl broken, not advancing correction tape.
(26-4)

Replace correction tape feed pawl.

"Correction tape moves when not correcting."

Tape feed cam follower front lug (26-45) out of adjustment - not
allowing inhibitor to reset. (26-53)

Form inhibiter to adjust. (350)

"Doesn't correct (usually first time only)."
Correction lift failing because of gummy tape deposits on cardholder.
Clean cardholder.

"Correction tape won't advance."
Binding at feed bellcrank & feed cam follower lug contact point. (26-45)
Form feed cam follower lug slightly to relieve bind. (351)

"Doesn't correct all of letter."

Not feeding completely, correction feed bellcrank binding & sticking
on feed follower rear lug. (26-1) (26-45)

Clean contact point & form to remove bind. (351)
"Doesn't line up when rolling back or putting paper back in to correct."

Cardholder alignment scale out of adjustment. (26-41)
Adjust cardholder alignment. (322)

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CORRECTION (Page 4 of 4)

"Correction key only takes off bottom half of letters."

Print sleeve end play excessive, causing correction lift cam to wobble,
allowing follower to slip off cam. (26-57) (26-58)

Adjust print sleeve end play. (44)

"Correction key not working. Doesn't hit exact."
Rotate detent out of adjustment. (loose)
Remove tilt ring assembly and adjust both rotate detents. (50)

"Correction tape feeds several times after correcting."
Correction feed inhibitor pivot gummy. (26-53)
Flush feed inhibiter pivot with Channel Master.

"Doesn't feed correction tape; tape lifts but doesn't feed."

Print sleeve end play out of adjustment, allowing correction feed
cam to rotate on sleeve. (26-57)

Move feed cam to correct position and adjust print sleeve end play.
(44)

"Not lining up when going back to correct on a different line."
Left hand front feed roller dragging card holder bracket. (26-42)
Adjust feed roller to rear. (254)

"Correction key doesn't work."
Link off correction torque bar. (26-86)
Reinstall link.

"Doesn't backspace sometimes." (Rotary Backspace) (when using the
correction key also)

Backspace ratchet & driver have worn spots, (makes a noise when
fails usually).

Replace ratchet & driver. (24-6, 24-32)
"Gets stuck when backspacing or use correction key to backspace."

Not enough backspace motion to move carrier back a full space.
Adjust rotary backspace latch height. (189)

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DEAD MACHINE (Page 1 of 2)
"Won't turn on."

Motor bearings gummy, frozen.

Flush bearings with Channel Master & lube with IBM #10 oil.

"Slow when first turned on."
Motor stalling at start-up & sluggish.
Flush motor bearings with Channel Master.

"Won't go in morning."
Motor bearings gummy.
Flush motor bearings with Channel Master.

"Dead typewriter."
Motor frozen.

Flush motor bearings with Channel Master & lubricate with IBM #10
Oil.

"Typewriter stops."
Motor stalling, dry bearings, & print sleeve bearings (02-150) dry.

Flush motor bearings with Channel Master. Flush print sleeve bearings

with Channel Master.

"Won't start."
Motor pulley oxidized to motor shaft. (11-48)

Remove motor pulley, clean motor pulley & shaft - replace motor pulley
bushing (11-44) and motor pulley if extremely oxidized.

"Won't start."

Intermittent on/off switch (11-65) - wiggle toggle with machine on
to check for cutting out.

Replace switch.
"When turning machine on, doesn't go for a couple of minutes."

Dried grease on motor pulley (11-48) not allowing motor to turn freely.

Clean hardened grease from motor pulley.

=

DEAD MACHINE (Page 2 of 2)

Complaint: "Typewriter quit; loud humming."
Problem: Portion of drive belt teeth worn out. (11-68)

Solution: Replace drive belt.

Complaint: "Sticking."
Problem: Motor stalling when expressing to left margin. - Torque limiter tension
adjusted too high.

Solution: Flush motor bearings with Channel Master. Lubricate & adjust torque
limiter. (177)

Complaint: "Can't type any keys."
Problem: Cycle clutch latch keeper out of adjustment. (21-205)

Solution: Adjust cycle clutch latch keeper. (22) (Check key that was locking
the keyboard.)

Complaint: "Won't move. Keys locked up."
Problem: Torque limiter extension spring broken. (25-10)
Solution: Replace spring. Tighten clamp if loose. (25-5)

-19-

a a a a oe

EXPRESS (Page 1 of 1)

Complaint: "Express key slow."
Problem: Oil on carrier return clutch. (25-13)
Solution: Flush clutch with IBM cleaning fluid or Tun-O-Wash.

Complaint: "Express doesn't work well."
Problem: Old style express arm (Selectric III) (has white shoe).
Solution: Install heavier express arm B/M (24-207) (Blue shoe). (Part # 1287500)

Complaint: "Express is jerky." (Selectric III)
Problem: Can't apply enough pressure on express shoe arm.
Solution: Install heavier express arm B/M (24-207) (Blue shoe). (Part # 1287500)

Complaint: "Skips."

Problem: When Expressing, carrier moves back to right after releasing - switch
pitch lever halfway between 10 & 12.

Solution: Set switch pitch lever at 10 or 12 pitch.

Complaint: "Skips, Express sounds funny."
Problem: Switch pitch lever halfway between 10 & 12.
Solution : Set switch pitch lever at 10 or 12 pitch.

Complaint: "Express key ‘sounds funny & doesn't stay at left.”
Problem: Switch pitch lever set halfway between 10 & 12 pitch.
Solution: Set switch pitch lever at 10 or 12 pitch.

Complaint: "Express is weak."
Problem: Express arm is out of adjustment. (24-207)

Solution: Adjust express arm. (202)

Complaint: "Sticking"

Problem: Motor stalling when expressing to left margin. - Torque limiter tension
set to high.

Solution: Flush motor bearings with Channel Master. Lubricate & adjust torque
limiter. (177)

Complaint: "Won't Express when at right side of carriage." (Jumps back)

Problem: Final tab stop (19-82) out of adjustment, escapement pawl still out
of rack at extreme right when trying to Express.

Solution : Adjust final tab stop.

reer er Te

-20-

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a eerie >

INDEX (Page 1 of 1)
"Line rolls down."

Not enough index motion.

Adjust index link. (268)

"Platen rolis, letters go downhill."
Not enough index motion.
Adjust index link. (268)

"Line moves."
Not enough index motion.
Adjust index link. (268)

"Doesn't double space."
Platen bushing (12-22) gummy; not enough index motion.

Remove right platen bushing & clean with Channel Master, adjust
index link. (268)

"Won't double space."
Index detent arm stud loose. (20-461)
Tighten index detent arm stud.

"Paper won't roll in."
Label stuck on paper deflector. (22-134)
Clean label from deflector.

"Won't roll up on line even."
27-Tooth Index detent roller worn & loose on rivet.

Replace index detent assembly.

"Indexes partially."
54-Tooth index roller worn out (20-19).
Replace roller & adjust index. (268)

"It doesn't line space."

Index pawl (20-432) jamming & binding against ratchet.
Adjust index overthrow stop. (269)

-21-

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KEYBOARD (Page 1 of 4)

"Key sticks down."
Keylever restoring spring off keylever. (21-135)
Reposition spring under keylever.

"Key sticking."
Keylever restore spring off. (21-135)
Reposition spring.

"Can't type any keys."
Cycle clutch keeper out of adjustment. (21-205)

Adjust cycle clutch keeper. (22) (Check key that was locking the
keyboard. )

"Keys stick & hard to push."
Cycle clutch keeper out of adjustment. (21-205)
Adjust cycle clutch keeper. (22) (Check across both ends of keyboard.)

"Keys are slow."
Cycle clutch keeper not releasing latch freely. (21-205)
Adjust cycle clutch keeper. (22)

"Frozen, only backspace works."
Torque limiter extension spring broken. (25-10)
Replace torque limiter extension spring & adjust. (177)

"Won't return, backspace; keyboard locked."

Torque limiter extension spring (25-10) off & clamp (25-5) loose.
(Always check clamp when spring is off or broken.)

Replace spring & tighten clamp.

"Won't move. Keys locked up."
Torque limiter extension spring broken. (25-10)
Replace spring. Tighten loose clamp. (25-5)

"Capitals stick, keyboard locks when shift."

Shift clutch spring motion out of adjustment. (16-63)
Adjust shift spring retaining ring (34) and overthrow stop. (35)

-22- |

AFP RAPP RAR RPP RRR RRR RRR RR RRR RRR

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KEYBOARD (Page 2 of 4)
"Locked up."

Shift clutch (16-63) dry & overthrowing excessively, causing character
interupter to engage.

Remove, clean & lubricate shift clutch. (21-285) Adjust retaining ring
for proper motion (34) & overthrow stop. (35)

"Locks keyboard when shift, releases keyboard when release shift."

Shift clutch not making complete cycle, causing character interrupter
(21-285) to stay engaged.

Adjust shift clutch retaining ring. (34)

"After shifting, won't type until released."

Shift clutch not making complete cycle, causing character interupter
to stay engaged.

Adjust shift clutch.
"Keyboard locks up when shifting."
Shift clutch (16-63) & character interrupter (21-285) out of adjustment.

Adjust shift retaining ring (34) & character interrupter. (41)

"Keyboard locks when shifting - sometimes never unlocks."

Shift clutch dry & oxidized - overthrow stop knocked loose & "overthrowing."

Remove shift.clutch, lubricate & adjust retaining ring & overthrow
stop. (34, 35)

"Element hanging up."
Element moves sluggishly or stalls.
Lubricate cycle clutch with IBM #23. (May need replacing if reoccurs.)

"Ribbon sticks in up position, especially when correcting."
Machine stalling.
Lubricate cycle clutch with IBM #23 grease.

"Element stops."
Cycle clutch dry & weak. (28-404)

Lubricate cycle clutch with IBM #23 grease with syringe in hole between
two cams. (If reoccurrs, cycle clutch should be replaced.)

-23-

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KEYBOARD (Page 3 of 4)

"Typewriter dragging."
Slow when printing - cycle clutch weak.
Install new cycle clutch. (23-404)

"Keys stick down."
Keylever interposer pivots gummy; guides gummy.
Flush & work interposer pivots and guides loose with Channel Master.

"Z sticks down."
Keylever guide gummy.
Lubricate & clean keylever guide with Channel Master

"Keys sticking."

Keylever interposer pivots gummy, keylever guides gummy. (Keys
slow to return up to normal position.)

Flush & work pivots & guides loose with Channel Master.

"Element stops."
Motor bearings dry & gummy.
Flush bearings with Channel Master & relubricate.

"Keys locked up."

Character interupter bail (21-280) hooked over shift lever release
link.
Reposition & adjust side play of bail.

"E keytop comes off."
Slot worn in keytop.
Replace keytop or peen keystem for tighter fit.

"Typing slow & sluggish."

Cycle clutch worn (23-404), intermediate & idler gear teeth damaged.
(23-479, 23-461)

Replace cycie clutch & idler gears & adjust.

-24-

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KEYBOARD (Page 4 of 4)

"Jammed."
Torque limiter spring ear (25-9) broken at clamp. (25-5)

Replace torque limiter spring. (25-9)

"Keys sticking."
Ear broken on shift clutch spring. (16-65)
Replace shift clutch spring.

"Keyboard locked."
Shift interlock arm hanging up on ratchet. (16-73)

Adjust shift interlock. (39) (Type repeat underscore & shift & release
several times to check.)

"Keys frozen."
Shift clutch (16-63) caught in shift arbor due to excessive operational
shaft end play.

Replace shift clutch & adjust operational shaft end play. (137)

—25-

Complaint: "Left margin doesn't hold."

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MARGINS (Page 1 of 2)

Carrier stopping one tooth to left of margin.
Adjust overbank. (173)

"Will not hold left margin."
Carrier stopping one tooth past margin.
Adjust overbank. (173)

"Left margin slips."
Carrier stopping one tooth past margin, overbank out of adjustment.
Adjust overbank. (173)

"Left margin uneven."
Carrier stopping one tooth past margin, overbank out of adjustment.
Adjust overbank. (173)

"Left hand margin doesn't hold. When return, then try to tab, sometimes
won't go."

Carrier gets hung up one tooth to the left of the margin set.
Adjust overbank. (173)

"Left margin changes."
Carrier stopping one tooth past margin, overbank out of adjustment.
Adjust overbank. (173)

"Left margin moves."
Carrier stopping one tooth past margin.
Adjust overbank. (173)

"Left margin jumps back a half space at times."
Carrier stopping one tooth past margin, overbank out of adjustment.
Adjust overbank. (173)

"No bell."
Margin belicrank lever on wrong side of bail. (10-8) (09-80)

Reposition bellcrank lever (Can replace with new style belicrank lever
to prevent reocurrence; NR B/S Part #1256666, R B/S Part #1256662)

-26-

a eA RA

MARGINS (Page 2 of 2)

Complaint: "Right margin doesn't work."
Problem: Margin bellcrank lever (09-106) slipped over bell ringer bail. (09-80)

Solution: Reposition bellerank lever. (Can install new style lever with longer
extension; NR B/S Part #1256666, R B/S Part #1256662)

Complaint: "Bell doesn't ring."
Problem: Bell clapper pivot gummy. (09-122)
Solution: Clean and lubricate clapper with Channel Master.

Complaint: "No bell."

Problem: Beliclapper bellcrank out of adjustment. (09-76)
Solution : Adjust bellerank. (369)

-27-

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MARKS, SMUDGES, SMEARS (Page 1 of 3)

"Poor print, underscore looks like an apostrophe; blurry."
Copy control lever not set at "A". (22-14)
Set copy control lever at "A" & instruct operator on use.

"Smears the underscore."
Copy control lever set at "E". (22-14)
Set copy control lever at "A" & instruct operator on use.

"Commas & periods blur."
Copy control lever set at "E". (22-14)
Set copy control lever at "A" & instruct operator on use.

"Tails."
Copy control lever set at "E". (22-14)
Set copy control lever at "A" and instruct operator on use.

"Black marks."
Copy control lever not on "A". (22-14)
Set copy control lever at "A" and instruct operator on use.

"Leaves fuzzy stuff all over paper."
Copy control lever not set on "A", causing blurry print. (22-14)

Move copy control lever to A & instruct operator on use.

"Chicken scratches."
Copy control lever not set at "A". (22-14)
Set copy control lever at "A" and instruct operator on use.

"Smears bottoms of letters, especially at left."
Bail roller bearings gummy, causing paper to bubble. (22-54)

Clean bail roller bearings.
"Makes fishtails."

Bail roller bearings dirty, causing paper to bunch. (22-54)
Clean bail roller bearings.

-28-~

"

FRPECRATAAA RAP

MARKS, SMUDGES, SMEARS (Page 2 of 3)

Complaint: "Smearing and marks on paper."

Problem: Dirty bearing inside bail rollers causing paper to bunch up. (Always
check bail rollers for free rolling.) (22-54)

Solution: Remove bail rollers and clean bearings with Channel Master.

Complaint: "Blurry letters."
Problem: Paper bubbling, bail roller bearings gummy. (22-54)
Solution: Clean bail roller bearings & platen. (may need new platen)

Complaint: "Pokes holes in paper."
Problem: Dual impression cable broken. (2-216)

Solution: Replace dual impression cable and adjust.

Complaint: "Smears on underscore."
Problem: Dual impression cable not shifting to low velosity part of print cam.

Solution: Adjust dual impression cable. (246)

Complaint: "Leaves black marks on carbon copies."
Problem: Paper guide lug on correctable ribbon plate too close to platen. (26-20)
Solution: Adjust paper guide lug. (354)

Complaint: "Wide marks on paper"

Problem: Feed rollers dirty with ink from printed material, leaving marks on
paper.

Solution: Clean feed rollers & lubricate bearings.

Complaint: "Chicken tracks & won't hold paper tight with bail rollers."
Problem: Platen worn & slick, allowing paper to slip & bubble.
Solution: Replace platen.

Complaint: "Leaves marks on carbon copies."
Problem: Cardholder bracket rubbing thick carbon pack. (26-42)

Solution: Adjust carddholder bracket back & instruct on use of copy control
lever.

Complaint: "Marks on paper."
Problem: Free flight adjusted too far from platen.

Solution : Adjust free flight. (239)

-29-

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MARKS, SMUDGES, SMEARS (Page 3 of 3)

"Puts marks above underscore."

Operator using backup sheet. (2 sheets of paper). Sometimes causes
paper to wrap around element causing marks.

Use single sheet of paper when typing.

"Puts marks above underscore."
Dual impression cable broken. (2-216)
Replace dual impression cable & adjust.

"Types a sloppy dash under the comma."
Tilt out of adjustment.
Adjust tilt.

"Blurry print."
Tilt and rotate out of adjustment; copy control lever set wrong.
Adjust tilt and rotate. Set copy control lever at A.

"Fuzzy letters."
Print sleeve gummy, slowing down print impact. (02-150)
Flush & lubricate print sleeve with Channel Master.

"Leaves marks above the underscore."
Print cam follower stud nut loose and stripped. (02-156)
Replace nut. (02-156).

"Doesn't print right, leaves marks."

Correction tape separator wire caught underneath element. (26-9)
Straighten separator wire, reinstall element. (353)

-30-

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MISPLACEMENT OF CHARACTERS; SELECTION OF WRONG CHARACTERS
(Page 1 of 6)

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"Doesn't print some characters right."
Tooth on element broken (always check first).

Replace element.

"Typing letters on top of other letters."
Broken tooth on element.
Replace element.

"Characters not printing right."
Rotate & tilt out of adjustment.
Adjust rotate & tilt.

"Letters crowding on each other. Types part of letters."
Rotate out of adjustment.

Adjust rotate.

"Putting letters together."
Rotate out of adjustment.
Adjust homing.

"Typewriter is doing weird things."
Rotate out of adjustment, causing letters to print funny.
Adjust rotate and tilt homing.

"Crowds the 0."
Rotate & tilt out of adjustment.
Adjust rotate & tilt.

"Prints half characters."
Tilt & rotate out of adjustment. —
Adjust tilt & rotate.

"Only prints half of letters, runs characters together."

Rotate & tilt out of adjustment.
Adjust rotate & tilt homing.

-32-

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MISPLACEMENT OF CHARACTERS; SELECTION OF WRONG CHARACTERS
(Page 2 of 6)

Complaint: "N prints half of it next to previous letter."

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Problem: Rotate out of adjustment.
Solution: Adjust rotate.
Complaint: "Letter H not working correctly, moves over } space."
j Problem: Rotate out of adjustment.
(len Solution: Adjust rotate homing.
a
5 Complaint: "Numbers run together."
Problem: Rotate & skirt clearance out of adjustment.
= Solution : Adjust rotate homing & skirt clearance. (54)
a |
S| Complaint: "R typed to the side."
Problem: Homing out of adjustment.
a Solution: Adjust tilt & rotate.
ci |
a Complaint: "2 prints like a Z."
Problem: Rotate homing out of adjustment.
¥ - Solution: Adjust rotate homing.
a
| Complaint: "Numbers print up & down."
Problem: Tilt out of adjustment.
“a Solution: Adjust tilt & tilt arm.
|
Complaint: "Decimal point moves."
Problem: Rotate & tilt homing off. (Period not printed right)
Solution: Adjust rotate & tilt.
Complaint: "Crowds letters."
Problem: Broken tooth on element.
Solution: Replace element.
Complaint: "Types dashes."
Problem: Operator "flicking" (Dashes replace character typed).
Solution: Instruct operator about flicking.

MISPLACEMENT OF CHARACTERS; SELECTION OF WRONG CHARACTERS
(Page 3 of 6)
Complaint: "Types dashes when press other character."
Problem: Flicking - cycle clutch keeper out of adjustment. (21-205)

Solution: Adjust cycle clutch keeper. (22)

Complaint: "Lots of dashes, instead of letter typed."

Problem: Flicking.

Solution: Check cycle clutch keeper for excessive clearance. No real solution.
Instruct operator to use more positive touch. (22)

Complaint: "Types dashes instead of letter."

Probiem: Flicking, due to difference in key lever latch spring height adjustment
from one side of keyboard to other.

Solution: Loosen and adjust height of latch springs evenly & readjust cycle
clutch keeper. (22)

Complaint: "Types wrong characters."
Problem: Rotate tape off shift pulley & rotate arm pulley. (23-361)
Solution: Reinstall tape on pulleys, replace if kinked badly.

Complaint: "Element sitting wrong - types wrong characters."
Problem: Rotate tape off shift pulley. (16-105)
Solution: Reinstall tape on shift pulley. If tape is excessively damaged, replace.

Complaint: "Spacing not right." (between letters)

Probiem: Letters not printed in correct position, rotate detent too loose & catching
edge of tilt ring. (02-406)

Solution: Adjust rotate detent. (50)

Complaint: "Left margin doesn't hold." (Puts 1st character too far to left.)

Problem: Carrier stops one tooth to left of margin.
| Solution: Adjust overbank. (173)

Complaint: "Types on same spot twice at left side."

| Problem: Carrier stopping one tooth past left margin & sticking there.
Solution: Adjust overbank. (173)
|

-34-

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MISPLACEMENT OF CHARACTERS; SELECTION OF WRONG CHARACTERS

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(Page 4 of 6)

"Doesn't print all of letter, sometimes just one side of it."

Element locking notch worn, allowing element to shift rotate home
position.

Replace element.

"Underlining goes up and down."
Tilt out of adjustment.
Adjust tilt homing and fine timing.

"Line moves."
Not enough index motion.
Adjust index link. (268)

"Letters type on top of each other."
Carrier Return shoe clearance too close.

Adjust shoe clearance. (172)

"Piles type."
Carrier return shoe set to close to clutch.
Adjust carrier return shoe clearance. (172)

"Doesn't print right, leaves marks."
Correction tape separator wire caught underneath element. (26-9)
Straighten separator wire, reinstall element. (353)

"Types dashes." (extra, in addition to letters wanted).

Cycle latch bail upstop out of adjustment, not giving enough bite
to hold latch. (21-208)

Adjust cycle bail upstop. (23)

"Underscore types twice when only want one."
Cycle bail upstop out of adjustment, allowing extra cycle. (21-208)
Adjust cycle bail upstop. (23)

"Platen rolls, letters go downhill."

Not enough index motion.
Adjust index link. (268)

-35-

MISPLACEMENT OF CHARACTERS; SELECTION OF WRONG CHARACTERS
(Page 5 of 6)
Complaint: "Line moves on envelopes."
Problem: Rear feed rollers pushing bottom edge of envelope out.

Solution : Instruct operator to start address nearer to the bottom half of envelope,
after bottom edge has passed rear feed rollers.

Complaint: "Doesn't space correctly."
Problem: Print shaft gummy, not allowing carrier to travel freely. (02-30)
Solution : Clean & lubricate print shaft with Channel Master.

Complaint: "Crowds letters."
Problem: Print shaft dry & causing carrier to drag. (02-30)
Solution: Clean & lubricate print shaft with Channel Master.

Complaint: "Skips, express sounds funny.”
Probiem: Switch pitch lever halfway between 10 & 12.
Solution : Set switch pitch lever at 10 or 12 pitch.

Complaint: "Shift doesn't release, types an odd character."
Problem: Correction tape separator wire caught under element. (26-9)

Solution: Straighten separator wire.

Complaint: "Skips across sometimes."

Problem: Operational cam & ratchet assembly worn & stalling (25-101); causing
space operation to stop while escapement pawl is out of escapement
rack.

Solution: Replace operational cam assembly.

Complaint: "Letters don't print right."

Problem: Rotate adjustment wrong. (was adjusted previously and keeps changing)
Rotate bellcrank stud loose. (rare) (23-483)

Solution: Tighten rotate bellcrank stud and readjust rotate.

Complaint: "After returning, first letter doesn't type. Starts with second letter."

Problem: Operator hitting correction key with palm when returning, causing
first letter to be a correction.

Solution : Instruct operator to avoid hitting correction key when returning.

-36-

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MISPLACEMENT OF CHARACTERS; SELECTION OF WRONG CHARACTERS
(Page 6 of 6)
Complaint: "N gives a Z. K gives a 6."
Probiem: The tilt latch link guides gummy. (21-316).

Solution: Flush and clean guides with Channel Master.

Complaint:

"Types two capitals when just want one." (Example: THe)
Problem:

Shift clutch adjusted too close causing the release arm to bind. (16-63)
Solution: Adjust shift clutch retaining ring. (34)

Complaint: "Letters are spaced apart."

Problem: Typewriter was switched to 10 Pitch without operator's knowledge.

Solution: Switch to 12 Pitch to match element.

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-37-

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NOISES (Page 1 of 4)

"Terrible noise."
Shift clutch spring dry & oxidized. (16-63)
Remove shift clutch, clean, & relubricate with IBM #23 grease.

"Squeaking Noise."
Shift clutch spring dry. (16-63)
Clean and lubricate shift clutch.

"Rattling noise"
Shift clutch dry & oxidized. (16-63)
Clean & lubricate shift clutch & arbor. (16-206)

"Makes a lot of noise."
Shift clutch dry & gummy. (16-63)
Clean & lubricate shift clutch.

"Makes a noise when starts."
Shift clutch dry & out of adjustment. (16-63)
Clean shift clutch & lubricate; adjust retaining ring. (34)

"Grinding noise."
Operational cam & ratchet assembly gummy, not latching up. (25-101)

Flush cam & ratchet assembly with Channel Master: lubricate ratchet
teeth with IBM #23 grease.

"Loud Weird Noises."

Operational cam & ratchet assembly buzzing due to gummy latch.
(25-237)

Flush cam & ratchet assembly with Channel Master; lubricate ratchet
teeth with IBM #23 grease.

"Buzzing noise."

Operational cam & ratchet assembly gummy & not latching up completely.

(25-101)

Flush cam & ratchet assembly with Channel Master; lubricate ratchet
teeth with IBM #23 grease.

-38-

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NOISES (Page 2 of 4)

"Space bar buzzing."
Operational cam and ratchet assembly gummy. (25-101)

Flush cam & ratchet assembly with Channel Master; lubricate ratchet
teeth with IBM #23 grease.

"Makes a funny noise."

Operational cam & ratchet assembly buzzing because not latching up.
(25-101)

Flush & lubricate operational cam & ratchet assembly with Channel
Master; lubricate ratchet teeth with IBM #23 grease.

"Groaning"

Operational cam & ratchet assembly buzzing due to gummy latch.
(25-237)

Flush cam & ratchet assembly & latch with Channel Master; lubricate
pawls with IBM #23 grease.

"Rattling noise."
Motor pulley bushing worn. (11-44)
Replace bushing

"Skips, Express sounds funny."
Switch pitch lever set halfway between 10 & 12.
Set switch pitch lever at 10 or 12 pitch.

"Noisy"
Drive belt tension too tight. (11-68)
Adjust drive belt tension. (8)

"Loud humming noise."
Power cord curled inside bottom cover and pushed against motor.

Pull extra cord from cover bottom.
"Typewriter quit - Loud humming."

Portion of drive belt teeth worn out. (11-68)
Replace drive belt.

-39-

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NOISES (Page 3 of 4)

"Making funny noise; quit completely later."
Drive belt teeth worn. (11-68)
Replace drive belt.

"Buzzes; quits if touch spacebar once."
Operational cam & ratchet assembly spacebar pawl rubbing ratchet.
Adjust operational cam check ring for proper pawl clearance. (25-29)

"Vibrates when idling, squeaks when rolling paper."
Paper table rubbing platen & pivots oxidized. (05-56)

Install new foam under paper table, lubricate pivots.

"It rattles."

Makes a regular, thumping noise around center of machine. Operational
shaft center bearing sleeve worn and loose. (25-2)

Replace sleeve.

"Skips across sometimes, and makes a funny noise."

Operational cam & ratchet assembly worn & stalling, causing space
operation to stop while escapement pawl is out of escapement rack.
(25-101)

Replace operational cam assembly.

"Makes a loud noise when returning."

Typewriter not installed on bottom cover shock mounting pad properly.
(5-11)

Install in bottom cover properly.

"Rattling noise." (sounds like dry shift clutch)
Cycle clutch dry. (23-404)
Lubricate cycle clutch. (IBM #23 grease)

"It chirps."

Carrier return pinion squeaking where retainer clip contacts it. (25-14,
25-15)

Put a small drop of oil on retainer clip to eliminate squeaking.

NOISES (Page 4 of 4)

Complaint: "Makes a funny noise when rolling paper in."
Problem: Index roller worn (has notches in it)

Solution: Replace index roller.
Complaint: "Rumbling noise."

Problem: Motor pulley broken (piece missing). (11-48)
Solution : Replace motor pulley.

wil

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PAPER FEED (Page 1 of 1)

"Paper won't roll in."
Label stuck on paper deflector. (22-134)

Clean label from deflector.

"Bunches up paper."
Bail roller bearings (22-54) dirty.
Clean bail roller bearings with Channel Master & cotton swab.

"Platen rolls freely."
Ratchet detent released. (12-32)
Engage ratchet detent and instruct operator on its function.

"Platen rolls itself after using the variable."
Feed roller bearings dry, causing platen not to detent reliably.

Lubricate feed roller bearings, IBM #10 oil.

"Paper feeds crooked when the carrier is at left side only."

Feed rollers dragging on cardholder bracket (26-42), because platen
position front to rear is closer at left side.

Adjust platen position front to rear. (236)

Complaint: "Paper hard to roll in and doesn't go in straight.”

Problem:
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Paper deflector (22-134) not installed in positioning lugs properly.

Remove platen and install paper defector correctly.

ALSO SEE:- INDEXING

- CARRIER RETURN

-42-

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PRINT QUALITY OR INKING (Page 1 of 5)
"Bottoms of letters cut off."

Ribbon folding at bottem, ribbon locked up; cartridge not snapped
in completely.

Remove fold in ribbon and install correctly.

"Skips on underlining."
Skipping every third letter - ribbon folded.

Straighten ribbon and check for complete cartridge installation (ribbon
may be defective).

"Tops of letters not printing."

Ribbon folding at bottom, because cartridge not snapped down completely.

Remove fold & install ribbon cartridge correctly.

"Doesn't print bottoms of some letters."
Ribbon folded at bottom.
Remove fold from ribbon, make sure cartridge is installed completely.

"Prints half letters."
Ribbon folding, cartridge installed incompletely (not snapped down)

Remove fold from ribbon, install cartridge completely.

"Leaves off bottoms of letters."

Ribbon folded at bottom, because cartridge not snapped down completely
on one side.

Remove ribbon fold, install ribbon cartridge completely.

"Only top half of letters printing."
Ribbon folded at bottom.
Straighten ribbon. Check for proper installation.
"Won't print."

In stencil.

Take out of stencil.

~44-

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PRINT QUALITY OR INKING (Page 2 of 5)

"Periods don't print clearly or barely print."
Copy control lever set at "E". (22-14)

Set copy control lever to "A" and instruct operator on proper use.

"Smears letters."
Copy control lever not set at "A". (22-14)
Set copy control lever at "A" & instruct operator on use.

"Pokes holes in paper on underscore & period."

Dual impression cable not shifting to low velosity part of print cam.
(2-216)

Adjust dual impression cable. (246)

"Pokes holes in paper.”
Dual impression cable broken. (2-216)

Replace dual impression cable and adjust.

"8 doesn't always print all of character."

Dual impression cable gummy. (2-216) Not shifting back to normal
impression after punctuation character printed.

Replace dual impression cable & adjust (246). (Lubricants won't penetrate
& clean cable.)

"Doesn't print clearly."
Poor quality correctable ribbon.

Advise operator to use a better quality ribbon.

"Weak print on Xerox copies & labels."
Poor quality correctable ribbon.

Advise operator to use good quality ribbon.

"Doesn't print all of letter on labels."
Operator using correctable film ribbon on glossy label.

Instruct operator to use noncorrectible ribbon on labels if necessary
or get a nonglossy label that will accept correctable ribbon.

-45-

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PRINT QUALITY OR INKING (Page 3 of 5)
"Cuts off tops of letters."

Ribbon lift height out of adjustment.

Adjust ribbon lift height (should check for ribbon folding). (314)

"Cuts off tops of letter."
Ribbon not lifting high enough.

Adjust ribbon lift height. (314)

"Letters fade out at top."

Ribbon not lifting high enough, cutting off tops of every 3rd letter.

Adjust ribbon lift height. (314)

"Doesn't type tops of letters sometimes."
Ribbon not lifting high enough.
Adjust ribbon lift height. (314)

"Types top half of letters only."
Platen not fully seated in latch at right.
Reinstall platen completely latched down.

"Paper doesn't feed in straight - cuts off bottoms of letters."
Platen not snapped in completely.
Latch platen in completely.

"Blurry print."
Tilt and rotate out of adjustment; copy control lever set wrong.
Adjust tilt and rotate. Set copy control lever at A.

"Bottoms of letters don't print clearly."
Platen height adjusted too high.
Adjust platen height. (237) (Use grid pattern on GP element #999.)

"Bottoms of letters don't show. Y & G especially"

Platen height out of adjustment.
Adjust platen height. (237)

-46-

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PRINT QUALITY OR INKING (Page 4 of 5)
"Underscore fades out." (Selectric I carbon ribbon machine)

Not enough ribbon drive motion - printing at same point on ribbon.
Adjust ribbon feed cam follower stud. (14-136) (281)

"Fades out, ribbon not moving." (fabric ribbon).
Ribbon spool drive pawl gummy.

Flush and work pawl loose with Channel Master.

"Types parts of letters."
Ribbon drive gummy. (Selectric I - carbon ribbon)
Clean & lubricate ribbon drive with Channel Master.

"Keys not printing clear."

Dual impression cable gummy (22-216), not shifting back from low
velosity portion of print cam. Also print cam follower clearance wrong
& print cam worn. (2-216, 2-202)

Replace dual impression cable, print cam, and adjust.

"Element hanging up." (May cause weak print.)
Element moves sluggishly or stalls.
Lubricate cycle clutch with IBM #23 (may need replacing if reoccurs).

"Element stops."
Cycle clutch dry & weak. (23-404)

Lubricate cycle clutch with IBM #23 grease using syringe in hole between
two cams. If reoccurs, cycle clutch should be replaced.

"Stalls when typing."
Print sleeve bearings dry & stiff. (02-150)
Flush & lubricate print sleeve bearings with Channel Master.

"Ribbon sticks in up position, especially when correcting."
Machine stalling.

Lubricate cycle clutch with IBM #23 grease. (May need to replace
cycle clutch if starts doing again.)

-47-

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PRINT QUALITY OR INKING (Page 5 of 5)

"Doesn't print periods, commas, semi-colons."

Free flight out of adjustment. Distance from half-cycled element
& platen too great.

Adjust free flight. (239)

"Doesn't print right, leaves marks."
Correction tape separator wire caught underneath element. (26-9)

Straighten separator wire, reinstall element. (353)

"Ribbon flies up."
Bottom of ribbon catching on correction tape.
Adjust left correction tape lift assembly to rear. (340)

"Ribbon doesn't feed." (Causes letters to fade or not print completely.)
Ribbon plate bent down (15-86) - not allowing spiked driver to engage

completely. (15-57)
Straighten ribbon plate.

"Types light letter - then dark letter - then light."
Spring off dual impression latch. (21-414)
Replace spring.

"Fades out." (Fabric ribbon)
Reset spring off dual impression latch keeper. (rare) (21-411)

Reinstall spring.

"Not typing all of letter."

Ribbon not feeding intermittently. Paper clip on lift cam follower.

(15-24)
Remove paper clip.

-48-

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SHIFT (Page 1 of 1)

"After shift, won't type until released."

Shift clutch not making complete cycle, causing character interupter
to stay engaged. (21-285)

Adjust shift clutch.

"Locks keyboard when shift, releases keyboard when release shift."

Shift clutch not making complete cycle, causing character interupter
(21-285) to stay engaged.

Adjust shift clutch retaining ring. (34)

"Locks when shifting, sometimes never unlocks."
Shift clutch dry & oxidized - overthrow stop knocked loose. (16-203)

Remove shift clutch, clean, lubricate, & adjust retaining ring & overthrow
stop. (34, 35)

"Keyboard locks up when shifting."
Shift clutch (16-63) & character interrupter (21-285) out of adjustment.
Adjust shift retaining ring (34) & character interrupter. (41)

"Makes a lot of noise." (Sometimes stops or changes when shift.)
Shift clutch dry & gummy. (16-63)
Clean & lubricate shift clutch.

"Types two capitals when just want one." (example: THe)

Shift clutch retaining ring (16-63) adjusted too close, causing the
release arm to bind on ratchet lug.

Adjust shift clutch retaining ring. (34)
"Shift doesn't release, types an odd character."

Correction tape separator wire (26-9) caught under element.

Straighten separator wire.

-49-

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SPACEBAR (Page 1 of 2)

"Space bar sticks."
Incomplete print cycle; spacebar interrupter not released. (17-363)
Lubricate cycle clutch & print sleeve. (23-404, 02-150)

"Space bar doesn't work."

Incomplete cycle clutch cycle, spacebar interlock not released; due
to dry cycle clutch (23-404), print shaft (02-30), & print sleeve
bearings (02-150).

Lubricate cycle clutch with IBM #23 & clean & lubricate print shaft
with Channel Master.

"Space bar not working."

Cycle clutch not latching up after a cycle, causing space bar interrupter
to remain engaged.

Flush motor bearings, print shaft and print sleeve with Channel Master;
lubricate cycle clutch (23-404) with IBM #23 grease and adjust. (6)

"Spacebar doesn't work sometimes."

Cycle clutch not latching up after a print cycle, causing spacebar
interrupter to remain engaged.

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Adjust cycle clutch motion. (6)

"Won't space (intermittently) ."

Correction mode actuating bellcrank (26-80) not latching up when
space bar is operated after using correction key.

Adjust correction mode actuating bellcrank. (333)

"When hit spacebar it moves clear across." (Operational cam & ratchet
keeps going.)

Operational bracket assembly (25-300) latch pivots (25-239) (25-205)
gummy, not allowing latch to reset.

Flush and clean operational bracket latch assembly pivots with Channel
Master.

"After correcting, space bar doesn't work."

Correction feed assembly (26-4) oxidized & binding, causing incomplete
cycle clutch cycle, therefore spacebar interrupter not released.

Clean & lubricate correction feed assembly.

-50-

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SPACEBAR (Page 2 of 2)

"Space bar jumps, doesn't space right."
Operational cam & ratchet assembly gummy. (25-101)

Flush operational cam & ratchet assembly with Channel Master & relubricate
ratchet teeth with IBM #23 grease.

"Skips across sometimes."

Operational cam & ratchet assembly (25-101) worn & stalling; causing
space operation to stop while escapement pawl is out of escapement
rack.

Replace operational cam assembly.

"Spacebar repeats or goes twice sometimes."

Operation cam release arm (25-205) doesn't have enough overlap on
latching surface.

Form release arm for better overlap. (147)

"Space bar won't single space."
Space bar sticking down, slow to return up.
Form space shaft (17-152) guide to front to remove bind. (155)

"When hit space bar, it backspaces." (Non Rotary backspace)

Backspace latch spring broken (latch stays under bail).
Replace broken backspace latch spring.

-5]-

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TAB (Page 1 of 2)

"Tabs slowly."
Print shaft (02-30) & transport pulleys dry and gummy.
Clean print shaft and pulleys with Channel Master.

"Won't tab, or slow when does."
Print shaft gummy. (02-30)
Clean print shaft with Channel Master.

"Doesn't tab to a set tab stop."
Tab lever not latching up, causing partial tab.

Adjust tab trigger (19-71) for minimal clearance with tab torque bar
to allow more motion for overthrowing tab latch. (216)

"When tabbing, it stops where a tab is not set."
Not enough tab lever motion.

Adjust tab trigger (216) so has slight movement before starting to
remove escapement pawl.

"Sticks at tabs & locks carriage."
Tab stop pushed up past normal clear position, locking carrier.
Reposition tab stop.

"Won't set a tab at 17."

Tab stop pushed back beyond normal clear position. (beyond reach
of set finger)

Reposition tab stop to proper clear position.

"Sticks & won't move when tabbing."

Not enough tab set motion - tab pawl (18-152) locks under a set
tab stop.

Adjust tab set motion (224) & link (227).
"Tab misses a set tab stop."

Not enough tab set motion.
Adjust tab set motion. (224)

-52-

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TAB (Page 2 of 2)

"Tab won't clear at 36."

Tab clear bracket (18-182) positioned too high to clear a set tab
stop.

Form tab clear bracket tip down.

"Carrier stuck, won't move."

Carrier return transport cable (03-360) stuck under transport pulley.
(03-366)

Loosen transport pulley, reposition cable & tighten.

"Tab sometimes skips a set tab."

Covers rubbing set/clear lever (19-54) not allowing to return to normal
position.

Adjust typewriter position in base. (377)

"Can't set tab."

Carrier shoe nut loose (02-107), allowing carrier to rock when setting
a tab stop.

Tighten carrier shoe nut & adjust. (43)

"Stops at places where tabs aren't set."

Old style grease-filled tab rack which allows tab stops to drop on
their own weight.

Replace tab rack with new style rack which uses tightly-fit tab stops.

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